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~~ --;> DA ITALJA: OFFER COMPOSITlON: -DESCALING LINE. -COOLING EQUIPMENT,
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-MAIN PROCESS PUMPS. -MAKE UP 'NATER TREATMENT. -SWICHBOARD,
-SERVICES. DESCALING LINE (PLANT SECTION): FLOW RATE CUBIC METERS IHR=,
NO. OF PUMPS=2 : PUMP CAPACITY EACH ONE= 40 M3/HR: PUMP HEAD = 27 M.'l-I.:
MOTOR HP = 20: IMPELLER= TORQUE FLOW; HYDROCYCLONE= 1 NO. : SCALE PIT
RECOVERY TANK= I NO. ; VOLUME M3=7 : DEEP BED PRESSURE FILTER NO. =2 :
OIA= 2 METER: FILTERING RATE= CU.M.SQ.M.H =6.5 ""'EXT. 13 . BACKVVASH
REQUIREMENTS: AIR SCOURING: BLOWERS NO.=1 : OUTPUT SUCKED 200 CU.M.H :
PRESSURE = 7 M.W.G : BHP 10 : t...10TOR HP = 15 . BACK WASH WATER: 1ST
PHASE = 50 M3/HR ; TIME = 10 MINUTES; 2ND PHASE = 90 M3/HR; TIME 15 MINu";
HYDROCYCLONE WITH 60 DEGREE HOPPER SIZED FOR 40 M3/H FLOW. FILTER
DIA=2000MM: FILTER MEDIA DEPTH MM= 1800MM ; VI/ORKING PRESSURE= 3 KGiCM2
EQUIPED WITH POLYPROPYLENE NOZZLES. AIR BLOWER AJR DILNERY = 220 M3/HR
;PRESSURE = 7 MWG : BHP= 10 : MOTOR= 15 : POLES: 2.
COOLING EQUIPMENT: BASIC DESIGN DATA: WET BULB TEMPERATURE= 25 DEGh-.
C : COOLED WATER TEMPERATURE= 35 DEGREE C . DISCONTINUOS, FLOvV:
PRIMARY+TERTARY COOLlNG/LlNE= 145 M3 /HR FLOW WITH 25 C DIFFERENCE=
3625000 KCAL/HR: FROM SECONDARY COOLING/ LINE = 40 M3/HR FLOW WITH 40 C
TEMP. DIFFERENCE= 1600000 KCAL/HR. TOT: 185 M3/HRlLlNE A WITH AVG TEMP.
DIFFERENCE....DUS C DEG. SO TOT KCAL = 5225000 I LINE. CONTINUOUS F'LOvV:
FROM EAF ::(sOM318 WITH 25 C DIFFE R SO 1250000 KCALjHR HEAT. FROM
COMPRESSORs---rc{ M3/HR FLOW AT 10 C DIFFEPENCE SO ooסס‎10‎ KCAL HEAT.
FROM DIESEL ENGINES( 2 NOS.) 230 M3/H FLOW WITH 25,C DEGREE DIFF. SO
HEAT= 5750000 KCAL. SO TOT CONTNUOUS FLOW @-JM3/H WITIi AVG 24.5 C
DIFF. SO TOT HEAT OF CONTNOUS FLOW= ooסס‎710‎ KCAL.
COOLED WATER TANK: 300 M3; TOT DEPTH= 3.30 ME1ER :'WATER DEPTH= 2.7
METER. EMERGENCY ELEVATED TANK: VOLUME=150 M3 (SUGGESTED) H1EGHT= + 2;
METER ABOVE GROUND LEVEL. CLORINATION: CL GAS 2 PPM.
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BASIC DESIGN DATA
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MAKE UP RATE OF FLOW REQUIREMENT: WATER LOSSES: CONT. FLOW EVA?
290 1Ir 3.6*24 M3/DAY=250 (EXTENSION +250) ; DISC. FLOW EV/AP. 185*3.7*10
M3/DAY=70/L1NE (EXTEN. +70) ,EST. DRIPPING SECONDARY CIRCUIT M3/DAY=30
(EX1ENSION +30): TOTAL: 350M3/DAY (EXTENSION +350). LOSSES IN CUBIC ME1E,
PER HOUR=15 (EXTEN. +15) .
BLOW DOWN: .;.WITH SOFTEND MAKE-UP ;;;;;15M3/HR.{+15), WiTH DECARBON
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